JSFiddle - React, Tailwind, and code Playground
HTML
<?php
///reference --> https://coderwall.com/p/8wrxfw/goodbye-php-sessions-hello-json-web-tokens
encode
$token = array();
$token['id'] = $id;
echo JWT::encode($token, 'secret_server_key');
decode
$token = JWT::decode($_POST['token'], 'secret_server_key');
echo $token->id;
?>